Question

$1upon \sqrt[5]{2} \: \: rationalise$
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Answer 1

$1 \div \sqrt[5]{2}$

=1/(2)^1/5

=([1/(2)^1/5] × (2)^1/5/(2)^1/5

=【2^1/5】/(2^2/5)

=[2^1/5] [2^-1]^2/5

=[2^1/5][2]^-2/5

=2^1/5 -2/5

=2^-1/5